Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 663750: 3y+8=-y-8
y=
Click here to see answer by ReadingBoosters(3246)

Question 663759: I think of a number,increase it by 4 and double the answer .The result is 20 more than the number. Find this number
Click here to see answer by MathLover1(20849)

Question 663732: Antonio is building a bookshelf. He has a piece of wood that measures 90 centimeters in length. The directions require that this piece of wood be cut into two pieces, one piece 20 centimeters longer than the other. He uses the equation below to determine where to make the cut.

x + (x+20) = 90

The shorter piece of wood must then be cut in half. Use the equation above to help you determine the length of the shortest piece of wood.

Click here to see answer by ReadingBoosters(3246)

Question 663807: Use the given conditions to write an equation for the line in point-slope form and slope-intercept form.
x intercept= -1/9
y intercept= 7
note- *simplify any fraction as much as possible and do not use decimals*
Click here to see answer by solver91311(24713)

Question 663844: 9x-2x=-42 solve equation
Click here to see answer by MathLover1(20849)

Question 663896: I'm doing inequality expression problems and "What is the quotient of k and 9 is greater than one - third?"
Click here to see answer by Theo(13342)

Question 663942: 6-(b+1)=9
Click here to see answer by jim_thompson5910(35256)

Question 663970: 2x+5 = 13
Click here to see answer by jim_thompson5910(35256)

Question 664025: if y=-9 when x = -2, find x when y = 32
Click here to see answer by Alan3354(69443)

Question 664051: 36>4(2d+10)
Click here to see answer by jim_thompson5910(35256)

Question 664037: what does x equal
4 divide by x+3-(1 divide by x) equals 5 divide by x times (x+3)
Click here to see answer by MathLover1(20849)

Question 664104: How to do an expression with 3,3,5,5 with either multiplying,subtracting,adding or dividing to make the answer 24!!

Click here to see answer by Edwin McCravy(20054)

Question 664167: Hi, how do you solve this fractional equation? Can you please explain it to me....
4m-3/5=5m+2/12.... (4m-3 over 5)= (5m+2 over 12)
Click here to see answer by ReadingBoosters(3246)

Question 664167: Hi, how do you solve this fractional equation? Can you please explain it to me....
4m-3/5=5m+2/12.... (4m-3 over 5)= (5m+2 over 12)
Click here to see answer by sher-sher(2)

Question 664182: The northeast riders 4h club sold orange juice and cocoa at their horse show. The orange juice cost 20 cents per glass and the cocoa cost 15 cent per cup. They sold 20 more cups of cocoa than glasses of orange juice. How much of each drink did they sell if the total receipts were $11.40?
I can't figure out the proper equations.
Thanks
Click here to see answer by pv=nrt15rcks(23)

Question 664229: How can I show my 5th grader how to solve this problem in a simple way? 3 x 66= (j x 60) + (3 x 6)
Click here to see answer by ReadingBoosters(3246)

Question 664304: I can not figure out the answer to this problem Ln(x)+Ln(x+2)= -3
Click here to see answer by MathLover1(20849)

Question 664319: 25-3c=34
Click here to see answer by vleith(2983)

Question 664399: simplify:
1. 4x-2y-6x+4y
2. 6-3x-9-4x
3. 12x-2-6x-6
find x:
1. 4x-3=3x
2. 3x-2-x=4
3. 3x=6
Click here to see answer by ReadingBoosters(3246)

Question 664432: 3x^2 + 5x + 2 = 0
Click here to see answer by jim_thompson5910(35256)

Question 664433: 5x + 2 = 8x - 1
Click here to see answer by jim_thompson5910(35256)

Question 664435: Solve I = PRT for R
Click here to see answer by jim_thompson5910(35256)

Question 664502: 8(h-1)=6h+4+2h
Solve for h
Please explain the steps, the correct answer is no solution but i want to know how you got that answer.
Click here to see answer by Jacky C(3)

Question 664557: m over 8 = 9 over five

what does m equal?
Click here to see answer by Alan3354(69443)

Question 664557: m over 8 = 9 over five

what does m equal?
Click here to see answer by Theo(13342)

Question 664614: How can I figure out 0.7n-1.5+7.3n=14.5
Click here to see answer by stanbon(75887)

Question 664637: -8(4+9x)=7(-2-11x)
Click here to see answer by ronalee(3)

Question 664679: -2h+17-8h=15-7h-10
Click here to see answer by rfer(16322)

Question 664160: Solve for A:
3/5 * A = A + 5
Click here to see answer by ReadingBoosters(3246)

Question 664826: 3y/8-9=13+y/8
Click here to see answer by Seutip(231)

Question 664826: 3y/8-9=13+y/8
Click here to see answer by MathTherapy(10551)

Question 664882: -8x-(3x+6)=4-x

Click here to see answer by vleith(2983)

Question 664895: The sides of an equilateral triangle measure (x+y+3) cm, (3y-2) cm and (2x+y) cm. Calculate the perimeter of the triangle by forming two equations.
Click here to see answer by ewatrrr(24785)

Question 664964: One positive number is 5 times another number. The difference between the two numbers is 1232, find the numbers.
Click here to see answer by ewatrrr(24785)

Question 665024: 6x+23y=42 solve for y
Click here to see answer by ReadingBoosters(3246)

Question 664976: Evaluate the equation if x = 5 and y =-19
2x+y

Click here to see answer by ReadingBoosters(3246)

Question 664709: 13-9h-15=7h+22-8h
Click here to see answer by ReadingBoosters(3246)

Question 664704: 5x/6+2/3-8x/9=0
Click here to see answer by ReadingBoosters(3246)

Question 665161: -45=x+(-3)+50
Click here to see answer by ewatrrr(24785)

Question 665165: I'm trying to help my daughter solve this type of equation. I'm close but not there:
2/3(x-5)=4/9
If you can show me how to solve this one, I can direct her on the rest of her problems. Thanks.
Debbie Duvall
Click here to see answer by ewatrrr(24785)

Question 664636: write the equation of the line through (-3,14)and (-6,9)in standard form
Click here to see answer by ReadingBoosters(3246)

Question 665171: 3p=4a-2b+c solve for a

Click here to see answer by jim_thompson5910(35256)

Question 665180: p=a+b+c solve for c

Click here to see answer by jim_thompson5910(35256)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 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39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580